CN101115283B - Terminal positional information providing system and method - Google Patents
Terminal positional information providing system and method Download PDFInfo
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- CN101115283B CN101115283B CN2006100991315A CN200610099131A CN101115283B CN 101115283 B CN101115283 B CN 101115283B CN 2006100991315 A CN2006100991315 A CN 2006100991315A CN 200610099131 A CN200610099131 A CN 200610099131A CN 101115283 B CN101115283 B CN 101115283B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention provides a terminal position information providing system and a method, and the system comprises: a position operation terminal that is used for receiving the client terminal position information at the position operation control unit; a position operation control unit that is used for receiving the client position information from one access network or a plurality of access networks and sending the position information to the client position operation; one or a plurality of access networks, used for the access of the client; and one or a plurality of client terminals. The invention can flexibly realize the inquiry about the client terminal position information and other operation associated with the IMS operation.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of terminal positional information system and method is provided.
Background technology
IMS (IP Multimedia Subsystem) is the subsystem of 3GPP at the support IP multimedia service of Release 5 versions proposition.Its core characteristics are to adopt the independence of Session Initiation Protocol and access.IMS is a multimedia control/calling controlling platform on the PS territory, supports conversation class and non-conversation class multimedia service, for the multimedia application in future provides a general business platform.
3GPP TS 22.071 has defined the requirement profile of location service (Location Service), and it requires network to give the user with the location information report of user terminal with the form of a standard, portable terminal, network operator, service provider, value added service provider etc.
Positional information can be a direct positional information (as a longitude and latitude, the address in city, cell identities, network line sign, area code etc.), also can be an index point, can inquire about the positional information that obtains user terminal by this index point;
Location service divides from function and comprises three functional modules, LCS client, LCSServer and target terminal user.
LCS client is the client of location service, and it sends position requests to LCS Server, and from the response of LCS Server receiving position, and the positional information of target terminal user.
LCS Server is the server of location service, and it receives the position requests from LCS client, and initiates the position fixing process of target terminal user, obtains positional information; It sends the positional information of position response and target terminal user to LCS client.
The appeal position requests, response, and the unified here position command that is called of follow-up location information.
Target terminal user is the object that is used for locating, and positioning flow that it can the participating user terminal and the location that network is realized user terminal jointly also can not participate in this positioning flow, the location of being finished user terminal by network.
Location service commonly used comprises: public safety class business: urgency traffic provides the positional information of call subscriber terminal; Monitoring service: location-based monitoring service; Position-based call charge service: follow the tracks of professional: fleet and asset tracking, traffic monitoring; Strengthen and call out route: be routed to nearest service customer end, seek help as the roadside; Location-based information service: the Internet service of navigation, city sightseeing, location-based content broadcasting, mobile yellow pages, location sensitive; Network strengthens professional: the network planning, network service quality improve, RRM improves.
More than each business all require the network can be to the LCS client reporting position information, therefore, can the supporting location business in order to make the IMS network, the IMS network need be to the LCS client reporting position information.
Except 3GPP, other normal structure as TISPAN, also at the research location service, in the next generation network demand of TISPAN definition, has also comprised to the demand that location service is provided by the fixing user terminal that inserts.
LCS framework in the IMS network of 3GPP TS 23.271 LCS definition as shown in Figure 1.UE arrives the mobile network by GPRS (conventional data wireless traffic) network insertion, GPRS network can be GERAN (a GSM edge wireless access network), or UTRAN (universal land radio access web), when the mobile network is the 2G network, UE is linked into 2G-MSC (2G mobile services switching centre) or 2G-SGSN (2G service GPRS access point), when the mobile network is 3G network, UE is linked into 3G-SGSN (3G service GPRS access point), MSC Server (mobile services switching centre server), 2G-MSC, 2G-SGSN, 3G-SGSN, MSC Server is connected to VGMLC (visit gateway mobile location control unit) by Lg interface, VGMLC is by Lr interface HGMLC (home gateway shift position control unit), HGMLC is by Lr interface RGMLC (request gateway mobile location control unit), and outside LCS Client obtains the positional information of user terminal to the RGMLC inquiry by the Le interface.
HGMLC and RGMLC obtain user's subscription data and routing iinformation to HSS/HLR (user data server) inquiry by Lh; When UE is positioned at the IMS network, realize the location service function by LIMS-IWF (IMS functional module interface), LIMS-IWF comprises RLIMS-IWF (request IMS functional module interface) and HLIMS-IWF (ownership IMS functional module interface), RLIMS-IWF realizes the routing function of position requests, and HLIMS-IWF realizes the conversion of IMS user ID to the mobile network user sign.
For IMS user, the function of its place information inquiry realizes by the LIMS-IWF function, LIMS-IWF comprises two functions, RLIMS-IWF (request domain LIMS-IWF) arrives user's home domain according to user's IMS public user identity with the LCS service request, and HLIMS-IWF (home domain LIMS-IWF) obtains the MSISDN relevant with the IMS public user identity from HSS.Its general positioning flow as shown in Figure 2.
S202, LCS client inquiring user location information of terminals, LCS client can be according to the public user identity inquiring user location information of terminals of user terminal, and LCS client goes inquiry by the Le interface to R-GMLC;
S204, R-GMLC select a request domain LIMS-IWF by pre-configured or DNS collocation point method, and the location service request is forwarded to request domain LIMS-IWF, adopt the Lr interface;
S206, request domain LIMS-IWF determine the LIMS-IWF address of home domain, by method pre-configured or the DNS configuration, the location service request are forwarded to home domain LIMS-IWF, adopt the Lr interface;
S208, home domain LIMS-IWF obtains the HSS address by Dh inquiry SLF; (step S206, S208 is optional)
S210, SLF returns the HSS address by Dh;
S212, home domain LIMS-IWF is by PULL request (comprising IMS user ID SIP-URI) the inquiry HSS user's of Sh MSISDN;
S214, home domain LIMS-IWF obtain user's MSISDN from HSS by the PULL request of Sh;
S216, home domain LIMS-IWF is by the address of MAP message to HLR inquiry H-GMLC (home gateway shift position control unit);
S218, home domain LIMS-IWF obtain the address of H-GMLC from HLR;
S220, home domain LIMS-IWF transmit this location service request to H-GMLC, by the Lr interface;
S222, H-GMLC carries out policy control;
S224, H-GMLC is by the address of MAP message to HLR inquiry V-GMLC;
S226, H-GMLC obtain the address of V-GMLC from HLR;
S228, H-GMLC transmit the location service request to V-GMLC;
S230, V-GMLC initiates positioning flow;
S232-S242, V-GMLC transmits the position and responds LCS client.
Prior art has only been considered the situation of user terminal by GPRS network access IMS, when the user inserts the IMS network by other access way, when inserting the IMS network as the NASS by the TISPAN definition, can't realize IMS user's location service.
Prior art has only realized obtaining by the IMS sign method of positional information, does not consider to carry out service authority control at the IMS user ID, can't realize the business of location service and other IMS business (as presenting business) combination.
Prior art requires RLIMS-IWF (request domain LIMS-IWF) according to user's IMS public user identity the LCS service request to be arrived user's home domain, but how RLIMS-IWF realizes this function requires study.
In the prior art, subscriber policy control unit (H-GMLC) obtains address that position information of user's terminal provide (V-GMLC) of unit by the Lh interface to the HSS inquiry according to the MSISDN of user terminal, and this method is not suitable for the IMS network; In the IMS network, how the subscriber policy control unit is routed to positional information with the location service request provides the unit to require study.
Summary of the invention
At above problem, the invention provides a kind of terminal positional information system and method is provided, can carry out the inquiry of terminal positional information neatly and can combine with the IMS business.
Terminal positional information of the present invention provides system to comprise: location service client, be used for the positional information of inquiring about this IMS user terminal to position operation control unit, receive the positional information of IMS user terminal from position operation control unit according to the IMS user ID of IMS user terminal; Position operation control unit is used for obtaining the positional information of IMS user terminal and positional information being sent to location service client from one or more Access Networks; And one or more Access Networks, be used for the access of IMS user terminal; And one or more IMS user terminals.
Above-mentioned position operation control unit sends to location service client with the positional information of user terminal under following at least a situation: location service client sends location information request to position operation control unit; Position operation control unit regularly sends the positional information of user terminal to location service client; And the positional information that sends user terminal under the position operation control unit situation about changing in the position of user terminal to location service client.
Terminal positional information of the present invention provides system also to comprise: the CSCF unit, be used for the registration and the access control of user terminal, and be connected to position operation control unit and one or more Access Network.
Terminal positional information of the present invention provides system also to comprise: the user contracting data unit, be used to preserve the subscription data of user terminal, and be connected to position operation control unit.
Above-mentioned position operation control unit comprises: positional information provides the unit, is used for collecting from one or more Access Networks the positional information of the position that is used for positioning user terminal.Position operation control unit can also comprise: the Client Policy control unit is used for the position command of location service client is controlled.Position operation control unit can also comprise: the subscriber policy control unit is used for the policy control of executing location information inquiry.The subscriber policy control unit is positioned at the home domain of user terminal.
Above-mentioned positional information provides the unit to provide unit or visit territory gateway mobile location control unit for positional information independently.
Above-mentioned CSCF unit comprises: user's registration control unit is used to finish the registering functional of user terminal, and provides the address of unit to offer the subscriber policy control unit positional information.The CSCF unit further comprises: the user access control unit, be used to finish the access control of user terminal, and will be sent to the IP multi-media network from user's terminal information, be connected to user's registration control unit and one or more access network.
Above-mentioned user's registration control unit is obtained the address information that positional information provides the unit from user terminal or access network, and address information is kept in the location service routing unit.
Above-mentioned Access Network comprises following at least a network: GPRS network, ADSL network and lan network.
Terminal positional information of the present invention provides method may further comprise the steps: step S402, the request of the positional information of position operation control unit receiving position service customer end inquiry IMS user terminal, the IMS user ID that comprises this IMS user terminal in this request, position operation control unit are obtained the positional information of IMS user terminal from one or more Access Networks; And step S404, position operation control unit is sent to location service client with the positional information of IMS user terminal.
In step S404, the subscriber policy control unit in the position operation control unit obtains the subscription data of user terminal from the user contracting data unit, and policy control is carried out in providing of location information.
In step S404, the Client Policy unit in the position operation control unit carries out policy control to location service client.
In step S404, positional information provides the unit directly positional information to be sent to location service client.
In step S404, positional information provides the unit that positional information is routed to Client Policy control unit or subscriber policy control unit by the location service routing unit.
Above-mentioned position operation control unit sends to location service client with the positional information of user terminal under following at least a situation: location service client sends location information request to position operation control unit; Position operation control unit regularly sends the positional information of user terminal to location service client; And the positional information that sends user terminal under the position operation control unit situation about changing in the position of user terminal to location service client.
Send to position operation control unit under the situation of location information request at location service client, location service client directly is sent to location request message Client Policy control unit in the position operation control unit or subscriber policy control unit or positional information the unit is provided.
Send under the situation of location information request to position operation control unit at location service client, location request message is routed to the subscriber policy control unit to the location service routing unit or positional information provides the unit.
Above-mentioned location service routing unit is transmitted message by following at least a routing mode: agent way will directly be forwarded to the recipient from the location request message of transmit leg; And redirected mode, according to the address of determining the recipient from the location request message of transmit leg, and recipient's address information being sent to transmit leg, transmit leg is sent to the recipient with location request message then.
Above-mentioned Client Policy control unit carries out policy control to the access of location service client, and location request message is forwarded to the subscriber policy control unit or positional information provides the unit.
Above-mentioned subscriber policy control unit obtains the subscription data of user terminal from the user contracting data unit, position requests is carried out policy control, and location request message is forwarded to the positional information that positional information provides the unit or directly obtains user terminal from Access Network.
Above-mentioned positional information provides the unit to obtain the positional information of user terminal from Access Network.
Above-mentioned Access Network comprises following at least a network: GPRS network, ADSL network and lan network.
By the present invention, can realize obtaining of customer position information neatly, client control and user terminal controlled function can be provided, and can with other professional combinations.
Description of drawings
Accompanying drawing provides further understanding of the present invention, and is attached to a part that constitutes the application among the application, illustrates that with specification embodiments of the invention are to explain principle of the present invention.In the accompanying drawings,
Fig. 1 is the schematic diagram according to the position service system framework in the prior art IMS network;
Fig. 2 is the schematic diagram according to the user terminal location positioning flow of prior art;
Fig. 3 is the block diagram that terminal positional information according to the present invention provides system;
Fig. 4 is the flow chart that terminal positional information according to the present invention provides method;
Fig. 5 is the schematic diagram that general according to an embodiment of the invention terminal positional information provides method;
Fig. 6 is that the terminal positional information in the urgency traffic provides the schematic diagram of method according to an embodiment of the invention; And
Fig. 7 is the block diagram according to position command route system of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing.
It is in the grouping telecommunications network of core net call control signalling that the present invention will be given in SIP, and the complete method of positional information is provided to LCS client.
Fig. 3 is the block diagram that terminal positional information according to the present invention provides system.As shown in Figure 3, terminal location of the present invention provides system to comprise: location service client 302 (LCS client) is used for from the positional information of position operation control unit reception user terminal; Position operation control unit 304 is used for obtaining the positional information of user terminal and positional information being sent to location service client from one or more Access Networks; And one or more Access Networks 306, be used for the access of user terminal; And one or more user terminals 308.
Wherein, position operation control unit sends to location service client from the positional information that Access Network obtains user terminal under following at least a situation:
Location service client sends location information request to position operation control unit; Position operation control unit regularly sends the positional information of user terminal to location service client; And the positional information that sends user terminal under the position operation control unit situation about changing in the position of user terminal to location service client.
Terminal location of the present invention provides system also to comprise: CSCF unit 310, be used for the registration and the access control of user terminal, and be connected to position operation control unit and one or more Access Network; And user contracting data unit 312, be used to preserve the subscription data of user terminal, be connected to position operation control unit and CSCF unit.
Above-mentioned position operation control unit comprises: positional information provides unit 304-6, is used for collecting from one or more Access Networks the positional information of the position that is used for positioning user terminal, and positional information is sent to location service client.
Carry out at needs under the situation of Client Policy control and subscriber policy control, above-mentioned position operation control unit also comprises: Client Policy control unit 304-2, be used for the position command of location service client is controlled, and position command is sent to the Client Policy control unit; Subscriber policy control unit 304-4 is used for the policy control of executing location information inquiry, and positional information is sent to location service client or Client Policy control unit.
Above-mentioned position operation control unit also comprises: location service routing unit 304-8, be used to carry out the route of location request message, and be connected to Client Policy control unit, subscriber policy control unit and positional information the unit is provided.
Above-mentioned CSCF unit comprises: user's registration control unit 310-2 is used to finish the registering functional of user terminal, and provides the address of unit to offer user's registration control unit positional information; And user access control unit 310-4, be used to finish the access control of user terminal, be sent to the IP multi-media network from the information of user terminal, be connected to user's registration control unit and one or more access network.
Location service client is the client of location service, it sends position requests to the Client Policy control unit, from response of Client Policy control unit receiving position or positional information, LCS client also can provide the unit to send position requests and/or receiving position response or positional information to subscriber policy control unit or positional information, and its interface is with the interface between LCS client and the Client Policy control unit.LCS client can be positioned at the IMS network internal, as the IMS user terminal, the charging information collecting point of position-based billing function is provided, also can be in the IMS network-external, as the PSAP (common service access point) of urgency traffic is provided, provider is with the service provision point of location service.
The Client Policy control unit receives the position requests from LCS client, sends position response or positional information to LCS client, and policy control is carried out in the access of LCS client; Interface between Client Policy control unit and the LCS client is the L1 interface, and its interface protocol can be the MLP agreement.The Client Policy control unit is usually located at the signatory territory of LCS client, and for example, when LCS client was an IMS user terminal, the Client Policy control unit was positioned at the home domain of LCS client.The Client Policy control unit can be routed to the position requests of LCS client the subscriber policy control unit, its interface is internal interface or L2 interface, adopt the RLP agreement, also the position requests of LCS client can be routed to positional information the unit is provided, its interface is internal interface or L20 interface (figure part omitted), adopts the RLP agreement.
The subscriber policy control unit receives the position requests from LCS client or Client Policy control unit, send position response or positional information to LCS client or Client Policy control unit, and according to user's signatory attribute, policy control is carried out in the customer position information location, provide positional information as restriction.The subscriber policy control unit is usually located at the user's that is positioned home domain.The subscriber policy control unit obtains user's subscription data from the user contracting data unit, its interface is internal interface or L5 interface, and its interface protocol can be MAP or Diameter.The subscriber policy control unit is routed to positional information with position requests the unit is provided, and its interface is internal interface or L3 interface, adopts the RLP agreement.
Positional information provides the position requests of unit reception from LCS client or Client Policy control unit or subscriber policy control unit, from the positional information that each different access network is collected positioning user terminal, send position response or positional information to LCS client or Client Policy control unit or subscriber policy control unit.Positional information provides the unit to be usually located to be positioned user's visit territory; Obtain GPRS by the RLP agreement to the V-GMLC inquiry and insert user position information.Positional information provides the unit also can be positioned at the user's that is positioned home domain, as is integrated in the subscriber policy control unit, and like this, the subscriber policy control unit can directly obtain user position information from access network.
Positional information provides the unit to obtain the positional information of user terminal from access network, its interface is the L4 interface, access network can be GPRS, ADSL, WLAN, various access networks such as LAN, at different access networks, the L4 interface can adopt different access protocols, as RLP agreement, Diameter etc.Positional information provides the unit to realize on the function of existing V-GMLC, and for this reason, V-GMLC need be by the L4 interface to ADSL, and the network beyond the WLAN, GPRS such as LAN obtains the positional information of user terminal.
User terminal can be linked into the IMS network by various access network, its interface is the L9 interface, user terminal can be fixed terminal or portable terminal, when user terminal is fixed terminal, it can be that the IP terminal directly inserts packet network, also can be that the traditional circuit terminal is linked into packet network by IAD.
User's access control function is finished in the user access control unit, and it receives the session signaling from user terminal, and sends to the IMS network; The interface of user access control unit and user terminal is L21 interface (figure part omitted), when user terminal inserts by Session Initiation Protocol, its interface protocol is SIP, when user terminal is that the traditional circuit terminal is when inserting by IAD, its interface protocol is SIP, H248 or other medium control protocol.The user access control unit achieves a butt joint into the control of network by the L8 interface, and its interface protocol is a Diameter.In the IMS framework of 3GPP and TISPAN definition, the user access control unit is P-CSCF or AGCF.
User's registration control unit is finished the registering functional of user terminal, and the interface between it and the user access control unit is internal interface or L7 interface, adopts Session Initiation Protocol.User's registration control unit obtains IMS user's subscription data from the user contracting data unit, its interface is internal interface or L6 interface, adopts Diameter.
User's subscription data is preserved in the user contracting data unit, wherein, comprises the subscription data of IMS customer location business.
In order in above-mentioned framework, to realize the route of position command, also comprise LCS routing unit (location service routing unit) in the network, the routing function of completing place order.
The LCS routing unit has two kinds of working methods: agent way and redirected mode.Under agent way, position command sends the position command of naming a person for a particular job and is routed to the LCS routing unit, by the LCS routing unit position command is routed to the position command acceptance point.Under the mode of being redirected, position command sends the position command of naming a person for a particular job and is routed to the LCS routing unit, the LCS routing unit is routed to position command with position command and sends point, position command sends point and position command is routed to the position command acceptance point again, at a routing procedure, agent way or redirected mode can be only used, also agent way and redirected mode can be used simultaneously.
LCS routing unit and Client Policy control unit, the subscriber policy control unit, it is internal interface or L10 interface that positional information provides the interface between the unit, its agreement is SIP, Diameter or http protocol.
In above-mentioned framework, the subscriber policy control unit provides the address of unit in order to obtain suitable positional information, can obtain the address that positional information provides the unit from user's registration control unit, its interface is an internal interface, direct interface, or by other functional entity indirect interface, when adopting direct interface, its interface is L11, adopts SIP, Diameter or http protocol are realized, when adopting indirect interface, can carry out interface by other intermediate node, as passing through the user contracting data unit, its interface protocol is SIP, Diameter or http protocol.
Fig. 4 is the flow chart that terminal positional information according to the present invention provides method.As shown in Figure 4, terminal positional information of the present invention provides method may further comprise the steps: step S402, and position operation control unit is obtained the positional information of user terminal from one or more Access Networks; And step S404, position operation control unit is sent to location service client with the positional information of user terminal.
In the step 404, subscriber policy control unit in the position operation control unit can obtain the subscription data of user terminal from the user contracting data unit, policy control is carried out in providing of location information, when the not signatory location service of user terminal, perhaps limit under the situations such as positional information is provided, restriction provides positional information.
In the step 404, the Client Policy unit in the position operation control unit can carry out policy control to location service client, and under situations such as location service client shortage authority, restriction provides positional information.
Among the step S404, positional information provides the unit directly positional information to be routed to location service client; Also positional information can be routed to Client Policy control unit or subscriber policy control unit by the location service routing unit, again by the Client Policy control unit, or user's registration control unit routes to location service client.
The location service routing unit can be transmitted message by following at least a routing mode: agent way will directly be forwarded to the recipient from the position command of transmit leg; Be redirected mode, according to the address of determining the recipient from the position command of transmit leg, and recipient's address information be sent to transmit leg, transmit leg is sent to the recipient with position command then.
Position operation control unit sends to location service client with the positional information of user terminal under following at least a situation: location service client sends location information request to position operation control unit; Position operation control unit regularly sends the positional information of user terminal to location service client; And the positional information that sends user terminal under the position operation control unit situation about changing in the position of user terminal to location service client.
When location service client when position operation control unit sends location information request, Client Policy control unit, subscriber policy control unit or positional information that location service client can directly be sent to location request message in the position operation control unit provide the unit.
When location service client sent to location request message Client Policy control unit in the position operation control unit, the Client Policy control unit can route to the subscriber policy control unit with location request message or positional information provides the unit by the location service routing unit.
When location service client sent to the subscriber policy control unit with location request message directly or by the Client Policy control unit, the subscriber policy control unit can route to positional information with location request message by the location service routing unit unit is provided.
The location service routing unit is transmitted message by following at least a routing mode: agent way will directly be forwarded to the recipient from the location request message of transmit leg; And redirected mode, according to the position of determining the recipient from the location request message of transmit leg, and positional information being sent to transmit leg, transmit leg is sent to the recipient with location request message then.
Location request message is sent under the situation of Client Policy control unit at location service client, the Client Policy control unit carries out policy control to the access of location service client, and location request message is forwarded to the subscriber policy control unit or positional information provides the unit.
At location service client location request message is directly sent or routes to by the location service routing unit under the situation of subscriber policy control unit, the subscriber policy control unit obtains the subscription data of user terminal from the user contracting data unit, location information is carried out policy control, and location request message is forwarded to the positional information that positional information provides the unit or directly obtains user terminal from Access Network.
At location service client with location request message directly or be sent to positional information by Client Policy control unit, subscriber policy control unit and provide under the situation of unit, positional information provides the unit to obtain the positional information of user terminal from Access Network.
Positional information provides the unit to provide unit or visit territory gateway mobile location control unit for positional information independently.
Wherein, Access Network comprises following at least a network: GPRS network, wlan network, ADSL network and lan network.
Fig. 5 is the schematic diagram that general according to an embodiment of the invention terminal positional information provides method.As shown in Figure 5, under the general case, the method for LCS client inquiring user terminal positional information may further comprise the steps:
S502, LCS client inquiring user location information of terminals, LCS client can be according to the IMS user ID of user terminal, inquiry IMS user position information, LCS client does not need to know the access network type of user terminal, do not need to know user terminal that it only needs to inquire about to server client policy control unit, position, adopts the MLP agreement at which home network yet.
S504, the Client Policy control unit is checked the authority of LCS client, if LCS client does not possess authority, refuses this request; If LCS client adopts non-IMS user ID to inquire about, the Client Policy control unit can be converted to non-IMS user ID IMS user's true identity.
S506, the Client Policy control unit need obtain the routing iinformation of subscriber policy control unit, and the position enquiring request is routed on the subscriber policy control unit.In order to finish the route of Client Policy control unit, can adopt following method to the subscriber policy control unit:
A. the address information of subscriber policy control unit leaves on the Client Policy control unit by configuration or alternate manner, and the Client Policy control unit is according to by the home domain information of inquiring user the position enquiring request being routed on the subscriber policy control unit.
B. the Client Policy control unit is according to being arrived the LCS routing unit by searching user's information, and inquiry obtains the address information of subscriber policy control unit, and the position enquiring request is routed on the subscriber policy control unit.By searching user's information can be user's identification information, home domain information, or other with by the relevant information of inquiring user.The Client Policy control unit can pass through Diameter, http protocol, and Session Initiation Protocol or other agreement obtain the address information of subscriber policy control unit to the inquiry of LCS routing unit; In the above-mentioned agreement, by searching user's information, subscriber policy control unit address information can be transmitted by xml or other descriptive language.
C. the Client Policy control unit is deposited by the address information of the home domain interface position server of inquiring user subscriber policy control unit correspondence by configuration or alternate manner; Home domain interface position server is the special LCS routing unit of a class, the Client Policy control unit is routed to this position enquiring request on the subscriber policy control unit by home domain interface position server according to by the home domain information of inquiring user the position enquiring request being routed on the home domain interface position server again.Home domain interface position server is usually located at by the home domain of inquiring user, as the inlet function unit of this home domain customer location query requests.
D. the Client Policy control unit is according to being arrived the LCS routing unit by searching user's information, inquiry obtains the address information of home domain interface position server, the position enquiring request is routed on the home domain interface position server, and home domain interface position server is routed to this position enquiring request on the subscriber policy control unit again.By searching user's information can be user's identification information, home domain information, or other with by the relevant information of inquiring user.The Client Policy control unit can pass through Diameter, http protocol, or other agreement obtains the address information of subscriber policy control unit to the inquiry of LCS routing unit; In the above-mentioned agreement, by searching user's information, interface subscriber policy control unit address information can be transmitted by xml or other descriptive language.
E. the Client Policy control unit sends to the LCS routing unit with the position enquiring request, the LCS routing unit is according to by searching user's information the position enquiring request being routed to the subscriber policy control unit, perhaps next jumps the LCS routing unit, jump the LCS routing unit by next and continue performing routing operations, final route is to the subscriber policy control unit; Client Policy control unit/LCS routing unit can directly obtain next address of jumping LCS routing unit/subscriber policy control unit, also can obtain the address that next jumps LCS routing unit/subscriber policy control unit by the method that is routed to other LCS routing unit.
Client Policy control unit/LCS routing unit can pass through Diameter, http protocol, and Session Initiation Protocol, or other agreement obtains the address information that next jumps LCS routing unit/subscriber policy control unit to the inquiry of LCS routing unit; In the above-mentioned agreement, by searching user's information, next jumps the LCS routing unit, and subscriber policy control unit address information can be transmitted by xml or other descriptive language.
Above-mentioned a, b, c, d, five kinds of methods of e can be generalized into following three kinds:
1) the Client Policy control unit directly is routed to position enquiring the subscriber policy control unit;
2) the Client Policy control unit is routed to the LCS routing unit with position requests, and the LCS routing unit is routed to position requests the subscriber policy control unit again; The centre can be through an a plurality of LCS routing unit; And
3) the Client Policy control unit is routed to the LCS routing unit with position requests, the LCS routing unit is routed to the Client Policy control unit with position requests, the Client Policy control unit is routed to position requests the subscriber policy control unit again, and the centre can be continued through one or more LCS routing units.
The Client Policy control unit to subscriber policy control unit inquiring user location information of terminals, by the Lr interface, adopts the RLP agreement by said method.
S508-S510, subscriber policy control unit check IMS user's LCS service contracting data, and the relevant LCS attribute that the user is contracted, as information such as positioning accuracies, add the position enquiring request,, refuse this request if this user position information does not allow to be visited by LCS client; In order to obtain IMS user's LCS service contracting data, the subscriber policy control unit need arrive the subscription data that the inquiry of user contracting data unit obtains IMS user, adopts Diameter.The user contracting data unit returns the equipment identification information of user terminal simultaneously, as device identification, and IP address etc.; If the corresponding a plurality of user terminals of IMS user ID, the user contracting data unit can return a plurality of subscriber terminal equipment identification informations.
S512, the subscriber policy control unit need obtain the routing iinformation that positional information provides the unit, and the position enquiring request is routed to positional information to be provided on the unit.Provide the route of unit in order to finish the subscriber policy control unit to position information, can adopt following method:
A. positional information provides the address information of unit to leave on the subscriber policy control unit by configuration or alternate manner, and the subscriber policy control unit provides on the unit according to by the user profile of inquiring user (as: visit domain information) the position enquiring request being routed to positional information.
B. the subscriber policy control unit is according to being arrived the LCS routing unit by the user profile of inquiring user, and inquiry obtains the address information that positional information provides the unit, and the position enquiring request is routed to positional information to be provided on the unit.By the user profile of inquiring user can be user's IMS identification information, equipment identification information, the IP address information, the visit domain information, or other with by the relevant information of inquiring user.The subscriber policy control unit can pass through Diameter, http protocol, and Session Initiation Protocol, or other agreement obtains the address information that positional information provides the unit to the inquiry of LCS routing unit; In the above-mentioned agreement, by the user profile of inquiring user, positional information provides element address information to transmit by xml or other descriptive language.The LCS routing unit can obtain the address information that positional information provides the unit by the method for configuration, the method of notice obtains the address information that positional information provides the unit in the time of also can registering by the user, as in the log-on message of user terminal, the address information of unit is provided by user terminal or visit network egress implantation site, territory information, notify the user registration control unit, user's registration control unit is preserved this information to the LCS routing unit.The LCS routing unit can be in user's registration control unit, the user contracting data unit, or realize on other independent LCS routing unit.
When the function of LCS routing unit realized on user's registration control unit, the subscriber policy control unit can directly pass through inside or L11 interface accessing user registration control unit, obtained the address information that positional information provides the unit.
When the function of LCS routing unit realizes in the user contracting data unit,, need the AVP of extended Diameter protocol as follows if upgrade or inquiring position information provides the address information of unit by Diameter:
Increasing a positional information provides the element address property value right, and as V-LCSNameAVP, it is a URI, perhaps Hostname, perhaps IP address; Applications can provide element address information by UDR (User-Data-Request)/IMS user ID corresponding position information is inquired about in UDA (User-Data-Answer) order, also can provide element address information by PUR (Profile-Update-Request)/IMS user ID corresponding position information is upgraded in PUA (Profile-Update-Answer) order.
C. the subscriber policy control unit sends to the LCS routing unit with the position enquiring request, the LCS routing unit provides the unit according to by searching user's information the position enquiring request being routed to positional information, perhaps next jumps the LCS routing unit, jump the LCS routing unit by next and continue performing routing operations, final route provides on the unit to position information; Subscriber policy control unit/LCS routing unit can directly obtain next and jump the address that LCS routing unit/positional information provides the unit, also can obtain next by the method that is routed to other LCS routing unit and jump the address that LCS routing unit/positional information provides the unit.
Subscriber policy control unit/LCS routing unit can pass through Diameter, http protocol, and Session Initiation Protocol, or other agreement obtains the address information that next jumping LCS routing unit/positional information provides the unit to the LCS route server query; In the above-mentioned agreement, by searching user's information, the LCS routing unit, positional information provides element address information to transmit by xml or other descriptive language.
Above-mentioned a, b, three kinds of methods of c can be generalized into following three kinds:
1) the subscriber policy control unit directly is routed to positional information with position enquiring the unit is provided.
2) the subscriber policy control unit is routed to the LCS routing unit with position requests, and the LCS routing unit is routed to positional information with position requests again the unit is provided; The centre can be through an a plurality of LCS routing unit.
3) the subscriber policy control unit is routed to the LCS routing unit with position requests, the LCS routing unit is routed to the subscriber policy control unit with position requests, the subscriber policy control unit is routed to positional information with position requests again the unit is provided, and the centre can be continued through one or more LCS routing units.
The subscriber policy control unit is according to the equipment identification information of user terminal, and as device identification, IP waits until the address that positional information provides unit inquiring user location information of terminals, adopts the RLP agreement.If the corresponding a plurality of user terminals of IMS user, the subscriber policy control unit can arrive a plurality of positional informations the unit inquiry is provided, and obtains the positional information of each user terminal.
S514, the position enquiring request that positional information provides the unit to receive the subscriber policy control unit checks that whether the subscriber policy control unit has the authority of inquiry, if do not possess, refuses this request.Positional information provides the unit to obtain the positional information of user terminal to the access network inquiry, when user terminal inserts IMS by GPRS network, positional information provides the unit can obtain the positional information of user terminal by the RLP agreement to the V-GMLC inquiry, when user terminal by the NASS network insertion, positional information provides the unit can obtain the positional information of user terminal by Diameter to the NASS inquiry.
S516, the positional information that positional information provides the unit to send user terminal arrives the subscriber policy control unit; Positional information provides the unit can pass through the method for subscriber policy control unit address in the record request message, be implemented to the route of subscriber policy control unit, also can adopt the method for class examination request message, be implemented to the route of subscriber policy control unit by the LCS routing unit.
S518, the subscriber policy control unit is checked the corresponding IMS user's of user terminal LCS service contracting data, if this user position information does not allow to be visited by LCS client, refusal is transmitted this positional information; In order to obtain IMS user's LCS service contracting data, the subscriber policy control unit need arrive the subscription data that the inquiry of user contracting data unit obtains IMS user, adopts Diameter.The subscriber policy control unit sends the positional information of user terminal to the Client Policy control unit; The subscriber policy control unit can be by the method for Client Policy control unit address in the record request message, be implemented to the route of Client Policy control unit, also can adopt the method for class examination request message, be implemented to the route of Client Policy control unit by the LCS routing unit.
S520, the Client Policy control unit is checked the authority of LCS client, if success, the Client Policy control unit sends the positional information of user terminal to LCS client.
Said method is described LCS client by sending the method that querying command obtains position information of user's terminal, and LCS client also can pass through alternate manner, obtains the positional information of user terminal from network.In this case, for the positional information of user terminal is provided to LCS client, network directly passes through step S516, S518, and S520 sends to LCS client with position information of user's terminal.
Fig. 6 is that the terminal positional information in the urgency traffic provides the schematic diagram of method according to an embodiment of the invention.As shown in Figure 6, under the urgency traffic situation, the method for LCS client inquiring user terminal positional information may further comprise the steps:
S602 to S612, user terminal is initiated urgent call, and PSAP (common service access point) sets up conversation.
S614, PSAP (LCS client) send the Client Policy control unit of position enquiring request to this IMS territory, and PSAP can dispose the address information of Client Policy control unit.
S616, the Client Policy control unit need obtain the routing iinformation that positional information provides the unit, and the position enquiring request is routed to positional information to be provided on the unit.Provide the route of unit in order to finish the Client Policy control unit to position information, can adopt following method:
A. positional information provides the address information of unit to leave on the Client Policy control unit by configuration or alternate manner, the Client Policy control unit is according to by the equipment identification information of inquiring user, as device identification, IP address etc. obtain the address information that positional information provides the unit; And
B. the Client Policy control unit according to by the end message of inquiring user to the LCS routing unit, inquiry obtains the address information that positional information provides the unit;
By searching user's information can be the equipment identification information of user terminal, as device identification, IP address etc., or other with by the relevant information of inquiring user terminal.The Client Policy control unit can pass through Diameter, http protocol, or other agreement obtains the address information that positional information provides the unit to the inquiry of LCS routing unit; In the above-mentioned agreement, by the end message of inquiring user, positional information provides element address information to transmit by xml or other descriptive language.
C. when initiating urgent call, the user carries corresponding information, as the user when initiating Emmergency log-on, P-CSCF insertion position information provides the address information of unit, perhaps insert user's access network type, the Client Policy control unit determines that according to the access network type of emergency call user positional information provides the address information of unit.
D. the Client Policy control unit sends to the LCS routing unit with the position enquiring request, the LCS routing unit provides the unit according to by searching user's information the position enquiring request being routed to positional information, perhaps next jumps the LCS routing unit, jump the LCS routing unit by next and continue performing routing operations, final route provides on the unit to position information; Client Policy control unit/LCS routing unit can directly obtain next and jump the address that LCS routing unit/positional information provides the unit, also can obtain next by the method for inquiring about other LCS routing unit and jump the address that LCS routing unit/positional information provides the unit.
Client Policy control unit/LCS routing unit can pass through Diameter, http protocol, and Session Initiation Protocol, or other agreement obtains the address information that next jumping LCS routing unit/positional information provides the unit to the inquiry of LCS routing unit; In the above-mentioned agreement, by searching user's information, next jumps the LCS routing unit, and positional information provides element address information to transmit by xml or other descriptive language.
E. it is same physical entity that above-mentioned Client Policy control unit and positional information provide the unit, adopts internal interface to realize.
Above-mentioned a, b, c, d, five kinds of methods of e can be generalized into following three kinds:
1) the Client Policy control unit directly is routed to positional information with position enquiring the unit is provided.
2) the Client Policy control unit is routed to the LCS routing unit with position requests, and the LCS routing unit is routed to positional information with position requests again the unit is provided; The centre can be through an a plurality of LCS routing unit.
3) the Client Policy control unit is routed to the LCS routing unit with position requests, the LCS routing unit is routed to the Client Policy control unit with position requests, the Client Policy control unit is routed to positional information with position requests again the unit is provided, and the centre can be continued through one or more LCS routing units.
The Client Policy control unit is according to the equipment identification information of user terminal, and as device identification, IP waits until the address that positional information provides unit inquiring user location information of terminals, adopts internal agreement or RLP agreement.
S618, the position enquiring request that positional information provides the unit to receive the Client Policy control unit, being checked through this is a urgency traffic, obtain the positional information of user terminal to the access network inquiry, when user terminal inserts IMS by GPRS network, positional information provides the unit can obtain the positional information of user terminal by the RLP agreement to the V-GMLC inquiry, when user terminal by the NASS network insertion, positional information provides the unit can obtain the positional information of user terminal by Diameter to the NASS inquiry.
S620, the positional information that positional information provides the unit to return response and user terminal arrives the Client Policy control unit; Positional information provides the unit can pass through the method for Client Policy control unit address in the record request message, be implemented to the route of Client Policy control unit, also can adopt the method for class examination request message, be implemented to the route of Client Policy control unit by the LCS routing unit.
S622, Client Policy control unit return the positional information of user terminal to PSAP.
Fig. 7 is the block diagram according to position command route system of the present invention.As shown in Figure 7, position command route system of the present invention comprises transmit leg 702 and recipient 704, and this system also comprises location service routing unit 706.
Position command route system of the present invention routes to recipient with position command from transmit leg by at least a in following three kinds of modes: transmit leg directly is sent to the recipient with position command; Transmit leg is sent to the location service routing unit with position command, and the location service routing unit routes to the recipient with position command; And transmit leg is sent to the location service routing unit with position command, and the location service routing unit is sent to transmit leg with recipient's positional information, and transmit leg sends position command from the recipient according to positional information.Wherein, position command can route to the recipient by one or more location service routing units.
By the solution of the present invention, when user terminal inserts the IMS network by plurality of access modes, when inserting the IMS network, can pass through the IMS network as NASS by the TISPAN definition, realize the place information inquiry of user terminal.
Pass through the solution of the present invention, IMS user's location service of can contracting, can be provided with and forbid, perhaps allow LCS client visit IMS user position information, by application server access and process user location information of terminals, can realize the business of location service and other IMS business (as presenting business) combination.
By the solution of the present invention, the Client Policy control unit can be routed to the LCS service request subscriber policy control unit or positional information the unit is provided.
By the solution of the present invention, the subscriber policy control unit can be routed to positional information with the LCS service request unit is provided.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (26)
1. a terminal positional information provides system, it is characterized in that, described system comprises: location service client, be used for the positional information of inquiring about described IMS user terminal to position operation control unit, receive the positional information of described IMS user terminal from described position operation control unit according to the IMS user ID of IP Multimedia System IMS user terminal;
Described position operation control unit is used for obtaining the positional information of described IMS user terminal and described positional information being sent to described location service client from one or more Access Networks; And
Described one or more Access Network is used for the access of described IMS user terminal;
And
Described one or more IMS user terminal.
2. terminal positional information according to claim 1 provides system, it is characterized in that, described position operation control unit sends to described location service client with the positional information of user terminal under following at least a situation:
Described location service client sends location information request to described position operation control unit;
Described position operation control unit regularly sends the positional information of described user terminal to described location service client; And
Send the positional information of described user terminal under the situation that described position operation control unit changes in the position of described user terminal to described location service client.
3. terminal positional information according to claim 1 provides system, it is characterized in that also comprising: the CSCF unit, be used for the registration and the access control of described user terminal, be connected to described position operation control unit and described one or more Access Network.
4. terminal positional information according to claim 1 provides system, it is characterized in that also comprising: the user contracting data unit, be used to preserve the subscription data of described user terminal, and be connected to described position operation control unit.
5. provide system according to each described terminal positional information in the claim 1 to 4, it is characterized in that, described position operation control unit comprises: positional information provides the unit, is used for collecting from described one or more Access Networks the positional information of the position that is used to locate described user terminal.
6. terminal positional information according to claim 5 provides system, it is characterized in that, described position operation control unit also comprises: the Client Policy control unit is used for the position command of described location service client is controlled.
7. terminal positional information according to claim 5 provides system, it is characterized in that, described position operation control unit also comprises: the subscriber policy control unit is used for the policy control of executing location information inquiry.
8. terminal positional information according to claim 7 provides system, it is characterized in that, described subscriber policy control unit is positioned at the home domain of described user terminal.
9. terminal positional information according to claim 5 provides system, it is characterized in that, described positional information provides the unit to provide unit or visit territory gateway mobile location control unit for positional information independently.
10. terminal positional information according to claim 3 provides system, it is characterized in that, described CSCF unit comprises: user's registration control unit, be used to finish the registering functional of user terminal, and provide the address of unit to offer the subscriber policy control unit positional information.
11. terminal positional information according to claim 10 provides system, it is characterized in that, described CSCF unit also comprises: the user access control unit, be used to finish the access control of user terminal, the IP multi-media network be will be sent to from the information of described user terminal, described user's registration control unit and described one or more access network will be connected to.
12. terminal positional information according to claim 11 provides system, it is characterized in that, described user's registration control unit is obtained the address information that described positional information provides the unit from described user terminal or described access network, and described address information is kept in the location service routing unit.
13. terminal positional information according to claim 1 provides system, it is characterized in that, described Access Network comprises following at least a network: GPRS network, ADSL network and lan network.
14. a terminal positional information provides method, it is characterized in that, said method comprising the steps of:
Step S402, the request of the positional information of position operation control unit receiving position service customer end inquiry IP Multimedia System IMS user terminal, the IMS user ID that comprises described IMS user terminal in the described request, described position operation control unit are obtained the positional information of described IMS user terminal from one or more Access Networks; And
Step S404, described position operation control unit is sent to described location service client with the positional information of described IMS user terminal.
15. terminal positional information according to claim 14 provides method, it is characterized in that, in described step S404, subscriber policy control unit in the described position operation control unit obtains the subscription data of described user terminal from the user contracting data unit, providing of described positional information carried out policy control.
16. terminal positional information according to claim 14 provides method, it is characterized in that, in described step S404, the Client Policy unit in the described position operation control unit carries out policy control to described location service client.
17. terminal positional information according to claim 14 provides method, it is characterized in that, in described step S404, positional information provides the unit directly described positional information to be sent to described location service client.
18. terminal positional information according to claim 14 provides method, it is characterized in that, in described step S404, positional information provides the unit that described positional information is routed to Client Policy control unit or subscriber policy control unit by the location service routing unit.
19. terminal positional information according to claim 14 provides method, it is characterized in that, described position operation control unit sends to described location service client with the positional information of described user terminal under following at least a situation:
Described location service client sends location information request to described position operation control unit;
Described position operation control unit regularly sends the positional information of described user terminal to described location service client; And
Send the positional information of described user terminal under the situation that described position operation control unit changes in the position of described user terminal to described location service client.
20. terminal positional information according to claim 19 provides method, it is characterized in that, send to described position operation control unit under the situation of location information request at described location service client, described location service client directly is sent to described location request message Client Policy control unit in the described position operation control unit or subscriber policy control unit or positional information the unit is provided.
21. terminal positional information according to claim 19 provides method, it is characterized in that, send under the situation of location information request to described position operation control unit at described location service client, location request message is routed to the subscriber policy control unit to the location service routing unit or positional information provides the unit.
22. provide method, it is characterized in that described location service routing unit is transmitted message by following at least a routing mode according to claim 18 or 21 described terminal positional informations:
Agent way will directly be forwarded to the recipient from the location request message of transmit leg; And
Be redirected mode, according to the address of determining described recipient from the location request message of described transmit leg, and recipient's address information be sent to described transmit leg, described then transmit leg is sent to described recipient with described location request message.
23. terminal positional information according to claim 19 provides method, it is characterized in that, the Client Policy control unit carries out policy control to the access of described location service client, and described location request message is forwarded to the subscriber policy control unit or positional information provides the unit.
24. terminal positional information according to claim 19 provides method, it is characterized in that, the subscriber policy control unit obtains the subscription data of described user terminal from the user contracting data unit, described position requests is carried out policy control, and described location request message is forwarded to the positional information that positional information provides the unit or directly obtains described user terminal from described Access Network.
25. terminal positional information according to claim 19 provides method, it is characterized in that, positional information provides the unit to obtain the positional information of described user terminal from described Access Network.
26. terminal positional information according to claim 14 provides method, it is characterized in that, described Access Network comprises following at least a network: GPRS network, ADSL network and lan network.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006100991315A CN101115283B (en) | 2006-07-27 | 2006-07-27 | Terminal positional information providing system and method |
| PCT/CN2007/070356 WO2008014716A1 (en) | 2006-07-27 | 2007-07-25 | A system for providing the terminal location information and the method thereof |
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| CN2006100991315A CN101115283B (en) | 2006-07-27 | 2006-07-27 | Terminal positional information providing system and method |
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| CN101998231B (en) * | 2009-08-10 | 2014-10-01 | 中国移动通信集团辽宁有限公司 | Terminal locating method, device and system |
| CN102036162A (en) | 2009-09-24 | 2011-04-27 | 中兴通讯股份有限公司 | Location system, method and terminal |
| US8804574B2 (en) * | 2010-10-01 | 2014-08-12 | Telefonaktiebolaget L M Ericsson (Publ) | Language dependent positioning and signalling |
| CN102546567A (en) * | 2010-12-31 | 2012-07-04 | 北京大唐高鸿数据网络技术有限公司 | Method for acquiring physical position of terminal equipment |
| CN103096241A (en) * | 2011-11-02 | 2013-05-08 | 上海贝尔股份有限公司 | Method and device used for offering position information |
| CN102511172A (en) * | 2011-12-05 | 2012-06-20 | 华为技术有限公司 | Method and device for urgently calling and transmitting user location information to CS network in IMS network |
| CN104640065B (en) * | 2013-11-11 | 2019-03-26 | 中国移动通信集团公司 | A kind of location tracking method and device |
| US10841108B2 (en) * | 2015-02-17 | 2020-11-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Provision of location information in an IP Multimedia Subsystem network |
| WO2021092765A1 (en) * | 2019-11-12 | 2021-05-20 | 华为技术有限公司 | Method and apparatus for accessing network |
| CN113613242B (en) * | 2021-07-21 | 2022-12-09 | 展讯通信（上海）有限公司 | Location privacy setting method and related product |
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| CN1336089A (en) * | 1998-12-21 | 2002-02-13 | 艾利森电话股份有限公司 | Methods and apparatus for transferring position data between terminals in wireless communications systems |
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